the highest utilization were greenwich, valencia 17th, clay fillmore, [speaker not understood], fourth and clement. so, even in some of those spaces there were some issues, which i'll touch upon some challenges which, again, the purpose of the pilot to identify what some of those would be. the other measure we looked at -- oh, i should mention when you're looking at this chart, you'll see a bar going across. and that was basically a control group of off-street spaces that also i think somewhat comports with industry averages or where we'd want to be. you could see some of them hit that bar right off the bat. some of them were approaching it. some were quite a bit away. similarly on this chart, this is looking at unique users, another measure that the industry looks at. generally we found that there was where you had high utilization, you had a number of high users. the purpose of this is to see how broadly based these spaces are being used and whether it's just one or two people using it. >> excuse me for a second. could you once again, can you just define how unique users are identifi